Lot 581 Gamma Ray Observatory Model

Scarce unopened 1/25 scale paper model of the Gamma Ray Observatory, 19 x 25, produced by TRW Space and Technology Group in 1991. Model is sealed in its original plastic. In fine condition.
Important Notice ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed

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